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17392031123 is a prime number
BaseRepresentation
bin10000001100101001…
…010101010110010011
31122220002011201111212
4100030221111112103
5241104324443443
611553443330335
71153663553045
oct201451252623
948802151455
1017392031123
117415391445
1234546809ab
1318422a479c
14badbaba95
156bbd14618
hex40ca55593

17392031123 has 2 divisors, whose sum is σ = 17392031124. Its totient is φ = 17392031122.

The previous prime is 17392031089. The next prime is 17392031183. The reversal of 17392031123 is 32113029371.

It is a weak prime.

It is an emirp because it is prime and its reverse (32113029371) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17392031123 - 212 = 17392027027 is a prime.

It is a super-2 number, since 2×173920311232 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 17392031123.

It is not a weakly prime, because it can be changed into another prime (17392031183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8696015561 + 8696015562.

It is an arithmetic number, because the mean of its divisors is an integer number (8696015562).

Almost surely, 217392031123 is an apocalyptic number.

17392031123 is a deficient number, since it is larger than the sum of its proper divisors (1).

17392031123 is an equidigital number, since it uses as much as digits as its factorization.

17392031123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 32.

The spelling of 17392031123 in words is "seventeen billion, three hundred ninety-two million, thirty-one thousand, one hundred twenty-three".